+33661 Perhaps this just means find Sn, in which case multiply both sides by 350.
$${\mathtt{Sn}} = {\mathtt{350}}{\mathtt{\,\times\,}}\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{cos}}{\left({\mathtt{30}}^\circ\right)} \Rightarrow {\mathtt{Sn}} = {\mathtt{303.108\: \!891\: \!324\: \!4}}$$
+33661 Perhaps this just means find Sn, in which case multiply both sides by 350.
$${\mathtt{Sn}} = {\mathtt{350}}{\mathtt{\,\times\,}}\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{cos}}{\left({\mathtt{30}}^\circ\right)} \Rightarrow {\mathtt{Sn}} = {\mathtt{303.108\: \!891\: \!324\: \!4}}$$
